| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 985.15 | USD | 20251008 |
| Shandong Laya Chem | China national standards | MT | 999.23 | USD | 20251008 |
| Shandong Shuojia Chem | China national standards | MT | 971.08 | USD | 20251008 |
| Shandong Shuojia Chem | China national standards | MT | 971.08 | USD | 20251008 |
| Shandong Shuojia Chem | China national standards | MT | 971.08 | USD | 20251008 |
| Shandong Shuojia Chem | China national standards | MT | 971.08 | USD | 20251008 |
| Shandong Jinshenrun Chem | China national standards | MT | 999.23 | USD | 20251007 |
| Shandong Jinshenrun Chem | China national standards | MT | 1013.3 | USD | 20251007 |
| Shandong Yihe Chem | China national standards | MT | 985.15 | USD | 20251007 |
| Shandong Yihe Chem | China national standards | MT | 999.23 | USD | 20251007 |